code: def _statstr(x):
      return (
          "mean/sem: {mean:8.5f}+-{sem:8.5f} {min:.5f} < {q1:.5f} < {q2:.5f} < "
          "{q3:.5f} < {max:.5g}"
      ).format(**_stats(x))
  
imports: import time
  from magenta.models.coconet import lib_tfutil
  from magenta.models.coconet import lib_util
  import numpy
  from scipy.misc import logsumexp
  import tensorflow.compat.v1
label_desc: Use image node_id 4 for calling a global function with example usage: _statstr(x) and returns: str